Home / 217,346.60-299,937.66-121,852.46

Finding the Fourth Proportional to 217,346.60, 299,937.66 and 121,852.46

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Solution

The fourth proportional to 217,346.60, 299,937.66 and 121,852.46 is: 168,156.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,346.60 : 299,937.66 = 121,852.46 : x
  2. Step 2: Convert to fraction form
    217,346.60/299,937.66 = 121,852.46/x
  3. Step 3: Cross multiply
    217,346.60x = 299,937.66 × 121,852.46
  4. Step 4: Simplify right side
    217,346.60x = 36,548,141,717.64
  5. Step 5: Solve for x
    x = 36,548,141,717.64/217,346.60
  6. Step 6: Final answer
    x = 168,156.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.